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- #include "vbus_sensor.h"
- #include "bsp/bsp.h"
- #include "bsp/adc.h"
- #include "math/fast_math.h"
- static vbus_t _vbus;
- void vbus_sensor_init(void){
- _vbus.voltage = 0;
- _vbus.voltage_filted = MAX_VBUS_VOLTAGE;
- _vbus.avg_count = 5;
- vbus_sample_voltage();
- }
- void vbus_sample_voltage(void){
- u32 vadc = adc_sample_regular_channel(VBUS_V_CHAN, 16);
- _vbus.voltage = ((float)vadc)/(4096.0f) * ADC_REFERENCE_VOLTAGE * 45 / 1000; //1:44
- LowPass_Filter(_vbus.voltage_filted, _vbus.voltage, 0.1f);
- }
- float vbus_get_filted_voltage(void){
- return _vbus.voltage_filted;
- }
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